申请人:Pharmacia & Upjohn, Inc.
公开号:US06051716A1
公开(公告)日:2000-04-18
A process for preparing a compound of the formula I: ##STR1## or pharmaceutical acceptable salts thereof wherein X is --NR,--, --S(O).sub.g --, or --O--; R.sub.1 is --H, C.sub.1-6 alkyl optionally substituted with one or more --OH, --CN, or halo, or R.sub.1 is --(CH.sub.2).sub.h -aryl, --COR.sub.1-1, 13 COOR.sub.1-2, --CO--(CH.sub.2).sub.h --COR.sub.1-1, C.sub.1-6 alkyl sulfonyl, --SO.sub.2 --(CH.sub.2).sub.h -aryl, or --(CO).sub.i -Het; R.sub.2 is --H, C.sub.1-6 alkyl, --(CH.sub.2).sub.h -aryl, or halo; R.sub.3 and R.sub.4 are the same or different and are --H or halo; R.sub.5 is --H, C.sub.1-12 alkyl optionally substituted with one or more halo, C.sub.3-12 cycloalkyl, C.sub.1-6 alkoxy. The compounds are useful antimicrobial agents.
一种制备式I化合物的方法:##STR1## 或其药学可接受的盐,其中X为--NR,--,--S(O).sub.g--或--O--;R.sub.1为--H,C.sub.1-6烷基,可选地被一个或多个--OH,--CN或卤素取代,或R.sub.1为--(CH.sub.2).sub.h-芳基,--COR.sub.1-1,13 COOR.sub.1-2,--CO--(CH.sub.2).sub.h --COR.sub.1-1,C.sub.1-6烷基磺酰基,--SO.sub.2--(CH.sub.2).sub.h-芳基,或--(CO).sub.i-Het;R.sub.2为--H,C.sub.1-6烷基,--(CH.sub.2).sub.h-芳基或卤素;R.sub.3和R.sub.4相同或不同,是--H或卤素;R.sub.5为--H,C.sub.1-12烷基,可选地被一个或多个卤素,C.sub.3-12环烷基,C.sub.1-6烷氧基取代。这些化合物是有用的抗微生物剂。